Historical
NFPA 655-2007
NFPA 655: Standard for Prevention of Sulfur Fires and Explosions, 2007 Edition
1.1 Scope. 1.1.1* This standard shall apply to the crushing, grinding, or pulverizing of sulfur and to the handling of sulfur in any form. 1.1.2 This standard shall not apply to the mining of sulfur, recovery of sulfur from process streams, or transportation of sulfur.
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National Fire Protection Association [nfpa]